.sidebar {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    overflow: auto;
    width: 150px;
    height: 100%;
    list-style-type: none;
    background-color: #f3f4f5;
    font-size: 14px;
    line-height: 1.214;
    -webkit-flow-smoothing: subpixel-antialiased;
}

.sidebar li:first-child a {
    padding-top: 20px;
}

.sidebar a {
    display: block;
    padding: 7px 20px;
    font-size: 16px;
    color: #34495e;
}

.sidebar a:hover,
.sidebar a:active {
    color: #95a5a6;
}